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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.187 by root, Sat Jul 16 16:46:10 2011 UTC vs.
Revision 1.213 by root, Tue Apr 10 05:01:33 2012 UTC

19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif 22#endif
23 23
24#if __linux__
25# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP
27# include <linux/types.h>
28# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1
30# endif
31#endif
32
24/* perl namespace pollution */ 33/* perl namespace pollution */
25#undef VERSION 34#undef VERSION
26 35
27/* perl stupidly overrides readdir and maybe others */ 36/* perl stupidly overrides readdir and maybe others */
28/* with thread-unsafe versions, imagine that :( */ 37/* with thread-unsafe versions, imagine that :( */
30#undef opendir 39#undef opendir
31#undef closedir 40#undef closedir
32 41
33#ifdef _WIN32 42#ifdef _WIN32
34 43
35# define EIO_STRUCT_DIRENT Direntry_t
36# undef malloc
37# undef free
38
39// perl overrides all those nice win32 functions 44 // perl overrides all those nice libc functions
45
46 #undef malloc
47 #undef free
40# undef open 48 #undef open
41# undef read 49 #undef read
42# undef write 50 #undef write
43# undef send 51 #undef send
44# undef recv 52 #undef recv
53 #undef stat
45# undef lstat 54 #undef lstat
55 #undef fstat
46# undef truncate 56 #undef truncate
47# undef ftruncate 57 #undef ftruncate
48# undef open 58 #undef open
49# undef link 59 #undef link
50# undef close 60 #undef close
51# undef unlink 61 #undef unlink
52# undef mkdir 62 #undef mkdir
53# undef rmdir 63 #undef rmdir
54# undef rename 64 #undef rename
55# undef lseek 65 #undef lseek
56# undef opendir 66 #undef opendir
57# undef readdir 67 #undef readdir
58# undef closedir 68 #undef closedir
59# undef chmod 69 #undef chmod
60# undef fchmod 70 #undef fchmod
71 #undef dup
72 #undef dup2
73 #undef abort
74 #undef pipe
61 75
62# define opendir(fd) EIO_ERRNO (ENOSYS, 0) 76 #define EIO_STRUCT_STAT struct _stati64
63# define readdir(fd) EIO_ENOSYS () 77 #define EIO_STRUCT_STATI64
64# define closedir(fd) EIO_ENOSYS ()
65 78
66#else 79#else
67 80
68# include <sys/time.h> 81 #include <sys/time.h>
69# include <sys/select.h> 82 #include <sys/select.h>
70# include <unistd.h> 83 #include <unistd.h>
71# include <utime.h> 84 #include <utime.h>
72# include <signal.h> 85 #include <signal.h>
73 86
74#endif
75
76#define EIO_STRUCT_STAT Stat_t 87 #define EIO_STRUCT_STAT Stat_t
77 88
78/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8
80# define VAL64 IV
81# define SvVAL64 SvIV
82# define newSVval64 newSViv
83#else
84# define VAL64 NV
85# define SvVAL64 SvNV
86# define newSVval64 newSVnv
87#endif 89#endif
88 90
89/*****************************************************************************/ 91/*****************************************************************************/
90 92
91#if __GNUC__ >= 3 93#if __GNUC__ >= 3
101 103
102typedef SV SV8; /* byte-sv, used for argument-checking */ 104typedef SV SV8; /* byte-sv, used for argument-checking */
103typedef int aio_rfd; /* read file desriptor */ 105typedef int aio_rfd; /* read file desriptor */
104typedef int aio_wfd; /* write file descriptor */ 106typedef int aio_wfd; /* write file descriptor */
105 107
106static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 108static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
107 109
108#define EIO_REQ_MEMBERS \ 110#define EIO_REQ_MEMBERS \
109 SV *callback; \ 111 SV *callback; \
110 SV *sv1, *sv2; \ 112 SV *sv1, *sv2; \
113 SV *sv3, *sv4; \
111 STRLEN stroffset; \ 114 STRLEN stroffset; \
112 SV *self; 115 SV *self;
113 116
114#define EIO_NO_WRAPPERS 1 117#define EIO_NO_WRAPPERS 1
115 118
116#include "libeio/config.h" 119#include "libeio/config.h"
117#include "libeio/eio.h" 120#include "libeio/eio.h"
118 121
119/* Linux/others */ 122static int req_invoke (eio_req *req);
120#ifndef O_ASYNC 123#define EIO_FINISH(req) req_invoke (req)
121# define O_ASYNC 0 124static void req_destroy (eio_req *grp);
122#endif 125#define EIO_DESTROY(req) req_destroy (req)
123#ifndef O_DIRECT
124# define O_DIRECT 0
125#endif
126#ifndef O_NOATIME
127# define O_NOATIME 0
128#endif
129 126
130/* POSIX */ 127#include "libeio/eio.c"
131#ifndef O_CLOEXEC
132# define O_CLOEXEC 0
133#endif
134#ifndef O_NOFOLLOW
135# define O_NOFOLLOW 0
136#endif
137#ifndef O_NOCTTY
138# define O_NOCTTY 0
139#endif
140#ifndef O_NONBLOCK
141# define O_NONBLOCK 0
142#endif
143#ifndef O_EXEC
144# define O_EXEC 0
145#endif
146#ifndef O_SEARCH
147# define O_SEARCH 0
148#endif
149#ifndef O_DIRECTORY
150# define O_DIRECTORY 0
151#endif
152#ifndef O_DSYNC
153# define O_DSYNC 0
154#endif
155#ifndef O_RSYNC
156# define O_RSYNC 0
157#endif
158#ifndef O_SYNC
159# define O_SYNC 0
160#endif
161#ifndef O_TTY_INIT
162# define O_TTY_INIT 0
163#endif
164
165#ifndef POSIX_FADV_NORMAL
166# define POSIX_FADV_NORMAL 0
167#endif
168#ifndef POSIX_FADV_SEQUENTIAL
169# define POSIX_FADV_SEQUENTIAL 0
170#endif
171#ifndef POSIX_FADV_RANDOM
172# define POSIX_FADV_RANDOM 0
173#endif
174#ifndef POSIX_FADV_NOREUSE
175# define POSIX_FADV_NOREUSE 0
176#endif
177#ifndef POSIX_FADV_WILLNEED
178# define POSIX_FADV_WILLNEED 0
179#endif
180#ifndef POSIX_FADV_DONTNEED
181# define POSIX_FADV_DONTNEED 0
182#endif
183 128
184#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
185# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 130# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
186#endif 131#endif
187 132
188#ifndef POSIX_MADV_NORMAL
189# define POSIX_MADV_NORMAL 0
190#endif
191#ifndef POSIX_MADV_SEQUENTIAL
192# define POSIX_MADV_SEQUENTIAL 0
193#endif
194#ifndef POSIX_MADV_RANDOM
195# define POSIX_MADV_RANDOM 0
196#endif
197#ifndef POSIX_MADV_WILLNEED
198# define POSIX_MADV_WILLNEED 0
199#endif
200#ifndef POSIX_MADV_DONTNEED
201# define POSIX_MADV_DONTNEED 0
202#endif
203
204#if !HAVE_POSIX_MADVISE 133#if !HAVE_POSIX_MADVISE
205# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
206#endif
207
208#ifndef PROT_NONE
209# define PROT_NONE 0
210#endif
211#ifndef PROT_READ
212# define PROT_READ 0
213#endif
214#ifndef PROT_WRITE
215# define PROT_READ 0
216#endif
217#ifndef PROT_EXEC
218# define PROT_EXEC 0
219#endif
220
221#ifndef ST_RDONLY
222# define ST_RDONLY 0
223#endif
224#ifndef ST_NOSUID
225# define ST_NOSUID 0
226#endif
227#ifndef ST_NODEV
228# define ST_NODEV 0
229#endif
230#ifndef ST_NOEXEC
231# define ST_NOEXEC 0
232#endif
233#ifndef ST_SYNCHRONOUS
234# define ST_SYNCHRONOUS 0
235#endif
236#ifndef ST_MANDLOCK
237# define ST_MANDLOCK 0
238#endif
239#ifndef ST_WRITE
240# define ST_WRITE 0
241#endif
242#ifndef ST_APPEND
243# define ST_APPEND 0
244#endif
245#ifndef ST_IMMUTABLE
246# define ST_IMMUTABLE 0
247#endif
248#ifndef ST_NOATIME
249# define ST_NOATIME 0
250#endif
251#ifndef ST_NODIRATIME
252# define ST_NODIRATIME 0
253#endif
254#ifndef ST_RELATIME
255# define ST_RELATIME 0
256#endif
257
258#ifndef S_IFIFO
259# define S_IFIFO 0
260#endif
261#ifndef S_IFCHR
262# define S_IFCHR 0
263#endif
264#ifndef S_IFBLK
265# define S_IFBLK 0
266#endif
267#ifndef S_IFLNK
268# define S_IFLNK 0
269#endif
270#ifndef S_IFREG
271# define S_IFREG 0
272#endif
273#ifndef S_IFDIR
274# define S_IFDIR 0
275#endif
276#ifndef S_IFWHT
277# define S_IFWHT 0
278#endif
279#ifndef S_IFSOCK
280# define S_IFSOCK 0
281#endif 135#endif
282 136
283#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
284# ifdef MAP_ANON 138# ifdef MAP_ANON
285# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
286# else 140# else
287# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
288# endif 142# endif
289#endif 143#endif
290#ifndef MAP_HUGETLB 144
291# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
292#endif 146#include "def0.h"
293#ifndef MAP_LOCKED
294# define MAP_LOCKED 0
295#endif
296#ifndef MAP_NORESERVE
297# define MAP_NORESERVE 0
298#endif
299#ifndef MAP_POPULATE
300# define MAP_POPULATE 0
301#endif
302#ifndef MAP_NONBLOCK
303# define MAP_NONBLOCK 0
304#endif
305 147
306#ifndef makedev 148#ifndef makedev
307# define makedev(maj,min) (((maj) << 8) | (min)) 149# define makedev(maj,min) (((maj) << 8) | (min))
308#endif 150#endif
309#ifndef major 151#ifndef major
315 157
316#ifndef PAGESIZE 158#ifndef PAGESIZE
317# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
318#endif 160#endif
319 161
320static int req_invoke (eio_req *req); 162/*****************************************************************************/
321#define EIO_FINISH(req) req_invoke (req) 163
322static void req_destroy (eio_req *grp); 164static void
323#define EIO_DESTROY(req) req_destroy (req) 165fiemap (eio_req *req)
166{
167 req->result = -1;
168
169#if HAVE_FIEMAP
170 int count = req->int3;
171
172 /* heuristic: first try with 64 extents if we don't know how many, */
173 /* as most files have (hopefully) fewer than this many extents */
174 /* in fact, most should have <= 2, so maybe the 72 below is probably overkill */
175 if (count < 0)
176 count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
177
178 for (;;)
179 {
180 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
181 errno = ENOMEM;
182 if (!fiemap)
183 return;
184
185 req->ptr1 = fiemap;
186 req->flags |= EIO_FLAG_PTR1_FREE;
187
188 fiemap->fm_start = req->offs;
189 fiemap->fm_length = req->size;
190 fiemap->fm_flags = req->int2;
191 fiemap->fm_extent_count = count;
192
193 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
194 return;
195
196 if (req->int3 >= 0)
197 break; /* when not autosizing we are done */
198
199 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
200 break; /* autosizing successful, we are done */
201
202 fiemap->fm_flags = req->int2;
203 fiemap->fm_extent_count = 0;
204
205 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
206 return;
207
208 count = fiemap->fm_mapped_extents;
209
210 free (fiemap);
211 }
212
213 req->result = 0;
214
215#else
216 errno = ENOSYS;
217#endif
218}
219
220/*****************************************************************************/
324 221
325enum { 222enum {
326 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 223 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
327}; 224};
328 225
329#include "libeio/eio.c"
330
331typedef eio_req *aio_req; 226typedef eio_req *aio_req;
332typedef eio_req *aio_req_ornot; 227typedef eio_req *aio_req_ornot;
228typedef eio_wd aio_wd;
333 229
334static SV *on_next_submit; 230static SV *on_next_submit;
335static int next_pri = EIO_PRI_DEFAULT; 231static int next_pri = EIO_PRI_DEFAULT;
336static int max_outstanding; 232static int max_outstanding;
337 233
338static s_epipe respipe; 234static s_epipe respipe;
339 235
340static void req_destroy (aio_req req); 236static void req_destroy (aio_req req);
341static void req_cancel (aio_req req); 237static void req_cancel (aio_req req);
342 238
343static void want_poll (void) 239static void
240want_poll (void)
344{ 241{
345 /* write a dummy byte to the pipe so fh becomes ready */ 242 /* write a dummy byte to the pipe so fh becomes ready */
346 s_epipe_signal (&respipe); 243 s_epipe_signal (&respipe);
347} 244}
348 245
349static void done_poll (void) 246static void
247done_poll (void)
350{ 248{
351 /* read any signals sent by the worker threads */ 249 /* read any signals sent by the worker threads */
352 s_epipe_drain (&respipe); 250 s_epipe_drain (&respipe);
353} 251}
354 252
355/* must be called at most once */ 253/* must be called at most once */
254static SV *
356static SV *req_sv (aio_req req, HV *stash) 255req_sv (aio_req req, HV *stash)
357{ 256{
358 if (!req->self) 257 if (!req->self)
359 { 258 {
360 req->self = (SV *)newHV (); 259 req->self = (SV *)newHV ();
361 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 260 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
362 } 261 }
363 262
364 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 263 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
365} 264}
366 265
367static aio_req SvAIO_REQ (SV *sv) 266static SV *
267newSVaio_wd (aio_wd wd)
268{
269 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
270}
271
272static aio_req
273SvAIO_REQ (SV *sv)
368{ 274{
369 MAGIC *mg; 275 MAGIC *mg;
370 276
371 if (!SvROK (sv) 277 if (!SvROK (sv)
278 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
372 || (SvSTASH (SvRV (sv)) != aio_grp_stash 279 || (SvSTASH (SvRV (sv)) != aio_grp_stash
373 && SvSTASH (SvRV (sv)) != aio_req_stash 280 && SvSTASH (SvRV (sv)) != aio_req_stash
374 && !sv_derived_from (sv, "IO::AIO::REQ"))) 281 && !sv_derived_from (sv, "IO::AIO::REQ")))
375 croak ("object of class IO::AIO::REQ expected"); 282 croak ("object of class IO::AIO::REQ expected");
376 283
377 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 284 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
378 285
379 return mg ? (aio_req)mg->mg_ptr : 0; 286 return mg ? (aio_req)mg->mg_ptr : 0;
380} 287}
381 288
289static aio_wd
290SvAIO_WD (SV *sv)
291{
292 if (!SvROK (sv)
293 || SvTYPE (SvRV (sv)) != SVt_PVMG
294 || SvSTASH (SvRV (sv)) != aio_wd_stash)
295 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
296
297 return (aio_wd)(long)SvIVX (SvRV (sv));
298}
299
300static void
382static void aio_grp_feed (aio_req grp) 301aio_grp_feed (aio_req grp)
383{ 302{
384 if (grp->sv2 && SvOK (grp->sv2)) 303 if (grp->sv2 && SvOK (grp->sv2))
385 { 304 {
386 dSP; 305 dSP;
387 306
395 FREETMPS; 314 FREETMPS;
396 LEAVE; 315 LEAVE;
397 } 316 }
398} 317}
399 318
319static void
400static void req_submit (eio_req *req) 320req_submit (eio_req *req)
401{ 321{
402 eio_submit (req); 322 eio_submit (req);
403 323
404 if (expect_false (on_next_submit)) 324 if (expect_false (on_next_submit))
405 { 325 {
412 PUTBACK; 332 PUTBACK;
413 call_sv (cb, G_DISCARD | G_EVAL); 333 call_sv (cb, G_DISCARD | G_EVAL);
414 } 334 }
415} 335}
416 336
337static int
417static int req_invoke (eio_req *req) 338req_invoke (eio_req *req)
418{ 339{
419 if (req->flags & FLAG_SV2_RO_OFF) 340 if (req->flags & FLAG_SV2_RO_OFF)
420 SvREADONLY_off (req->sv2); 341 SvREADONLY_off (req->sv2);
421 342
422 if (!EIO_CANCELLED (req) && req->callback) 343 if (!EIO_CANCELLED (req) && req->callback)
443 SvREADONLY_on (sv_result); 364 SvREADONLY_on (sv_result);
444 } 365 }
445 366
446 switch (req->type) 367 switch (req->type)
447 { 368 {
369 case EIO_WD_OPEN:
370 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
371 break;
372
448 case EIO_READDIR: 373 case EIO_READDIR:
449 { 374 {
450 SV *rv = &PL_sv_undef; 375 SV *rv = &PL_sv_undef;
451 376
452 if (req->result >= 0) 377 if (req->result >= 0)
594 break; 519 break;
595 520
596 case EIO_STAT: 521 case EIO_STAT:
597 case EIO_LSTAT: 522 case EIO_LSTAT:
598 case EIO_FSTAT: 523 case EIO_FSTAT:
599 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 524 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
525
600 PL_laststatval = req->result; 526 if (!(PL_laststatval = req->result))
527 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
601 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 528 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
529
602 PUSHs (sv_result); 530 PUSHs (sv_result);
531 break;
532
533 case EIO_SEEK:
534 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
603 break; 535 break;
604 536
605 case EIO_READ: 537 case EIO_READ:
606 { 538 {
607 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 539 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
610 SvSETMAGIC (req->sv2); 542 SvSETMAGIC (req->sv2);
611 PUSHs (sv_result); 543 PUSHs (sv_result);
612 } 544 }
613 break; 545 break;
614 546
547 case EIO_CUSTOM:
548 if (req->feed == fiemap)
549 {
550#if HAVE_FIEMAP
551 if (!req->result)
552 {
553 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
554
555 if (fiemap->fm_extent_count)
556 {
557 AV *av = newAV ();
558 int i;
559
560 while (fiemap->fm_mapped_extents)
561 {
562 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
563 AV *ext_av = newAV ();
564
565 av_store (ext_av, 3, newSVuv (extent->fe_flags));
566 av_store (ext_av, 2, newSVval64 (extent->fe_length));
567 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
568 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
569
570 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
571 }
572
573 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
574 }
575 else
576 {
577 SvIV_set (sv_result, fiemap->fm_mapped_extents);
578 PUSHs (sv_result);
579 }
580 }
581#endif
582 }
583 else
584 PUSHs (sv_result);
585 break;
586
615 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 587 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
616 if (req->result > 0) 588 if (req->result > 0)
617 SvIV_set (sv_result, 0); 589 SvIV_set (sv_result, 0);
618 /* FALLTHROUGH */ 590 /* FALLTHROUGH */
619 591
640 } 612 }
641 613
642 return !!SvTRUE (ERRSV); 614 return !!SvTRUE (ERRSV);
643} 615}
644 616
617static void
645static void req_destroy (aio_req req) 618req_destroy (aio_req req)
646{ 619{
647 if (req->self) 620 if (req->self)
648 { 621 {
649 sv_unmagic (req->self, PERL_MAGIC_ext); 622 sv_unmagic (req->self, PERL_MAGIC_ext);
650 SvREFCNT_dec (req->self); 623 SvREFCNT_dec (req->self);
651 } 624 }
652 625
653 SvREFCNT_dec (req->sv1); 626 SvREFCNT_dec (req->sv1);
654 SvREFCNT_dec (req->sv2); 627 SvREFCNT_dec (req->sv2);
628 SvREFCNT_dec (req->sv3);
629 SvREFCNT_dec (req->sv4);
655 SvREFCNT_dec (req->callback); 630 SvREFCNT_dec (req->callback);
656 631
657 Safefree (req); 632 free (req);
658} 633}
659 634
635static void
660static void req_cancel_subs (aio_req grp) 636req_cancel_subs (aio_req grp)
661{ 637{
662 aio_req sub;
663
664 if (grp->type != EIO_GROUP) 638 if (grp->type != EIO_GROUP)
665 return; 639 return;
666 640
667 SvREFCNT_dec (grp->sv2); 641 SvREFCNT_dec (grp->sv2);
668 grp->sv2 = 0; 642 grp->sv2 = 0;
669 643
670 eio_grp_cancel (grp); 644 eio_grp_cancel (grp);
671} 645}
672 646
647static void ecb_cold
673static void create_respipe (void) 648create_respipe (void)
674{ 649{
675 if (s_epipe_renew (&respipe)) 650 if (s_epipe_renew (&respipe))
676 croak ("IO::AIO: unable to initialize result pipe"); 651 croak ("IO::AIO: unable to initialize result pipe");
677} 652}
678 653
679static void poll_wait (void) 654static void
655poll_wait (void)
680{ 656{
681 while (eio_nreqs ()) 657 while (eio_nreqs ())
682 { 658 {
683 int size; 659 int size;
684 660
693 669
694 s_epipe_wait (&respipe); 670 s_epipe_wait (&respipe);
695 } 671 }
696} 672}
697 673
698static int poll_cb (void) 674static int
675poll_cb (void)
699{ 676{
700 for (;;) 677 for (;;)
701 { 678 {
702 int res = eio_poll (); 679 int res = eio_poll ();
703 680
709 686
710 poll_wait (); 687 poll_wait ();
711 } 688 }
712} 689}
713 690
714static void atfork_child (void) 691static void ecb_cold
692reinit (void)
715{ 693{
716 create_respipe (); 694 create_respipe ();
695
696 if (eio_init (want_poll, done_poll) < 0)
697 croak ("IO::AIO: unable to initialise eio library");
717} 698}
718 699
719/*****************************************************************************/ 700/*****************************************************************************/
720 701
721#if !_POSIX_MAPPED_FILES 702#if !_POSIX_MAPPED_FILES
722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 703# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
723# define munmap(addr,length) (errno = ENOSYS, -1) 704# define munmap(addr,length) EIO_ENOSYS ()
724#endif 705#endif
725 706
726#if !_POSIX_MEMORY_PROTECTION 707#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 708# define mprotect(addr,len,prot) EIO_ENOSYS ()
728# define PROT_NONE 0 709# define PROT_NONE 0
729# define PROT_WRITE 0 710# define PROT_WRITE 0
730# define MAP_PRIVATE 0 711# define MAP_PRIVATE 0
731# define MAP_SHARED 0 712# define MAP_SHARED 0
732# define MAP_FIXED 0 713# define MAP_FIXED 0
733#endif 714#endif
734 715
735#define MMAP_MAGIC PERL_MAGIC_ext 716#define MMAP_MAGIC PERL_MAGIC_ext
736 717
718static int ecb_cold
737static int mmap_free (pTHX_ SV *sv, MAGIC *mg) 719mmap_free (pTHX_ SV *sv, MAGIC *mg)
738{ 720{
739 int old_errno = errno; 721 int old_errno = errno;
740 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 722 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741 errno = old_errno; 723 errno = old_errno;
742 724
758 0, 0, 0, 0, mmap_free 740 0, 0, 0, 0, mmap_free
759}; 741};
760 742
761/*****************************************************************************/ 743/*****************************************************************************/
762 744
745static SV *
763static SV * get_cb (SV *cb_sv) 746get_cb (SV *cb_sv)
764{ 747{
765 SvGETMAGIC (cb_sv); 748 SvGETMAGIC (cb_sv);
766 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 749 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
767} 750}
768 751
752static aio_req ecb_noinline
753dreq (SV *callback)
754{
755 SV *cb_cv;
756 aio_req req;
757 int req_pri = next_pri;
758 next_pri = EIO_PRI_DEFAULT;
759
760 cb_cv = get_cb (callback);
761
762 req = calloc (sizeof (*req), 1);
763 if (!req)
764 croak ("out of memory during eio_req allocation");
765
766 req->callback = SvREFCNT_inc (cb_cv);
767 req->pri = req_pri;
768
769 return req;
770}
771
769#define dREQ \ 772#define dREQ \
770 SV *cb_cv; \ 773 aio_req req = dreq (callback); \
771 aio_req req; \
772 int req_pri = next_pri; \
773 next_pri = EIO_PRI_DEFAULT; \
774 \
775 cb_cv = get_cb (callback); \
776 \
777 Newz (0, req, 1, eio_req); \
778 if (!req) \
779 croak ("out of memory during eio_req allocation"); \
780 \
781 req->callback = SvREFCNT_inc (cb_cv); \
782 req->pri = req_pri
783 774
784#define REQ_SEND \ 775#define REQ_SEND \
785 PUTBACK; \ 776 PUTBACK; \
786 req_submit (req); \ 777 req_submit (req); \
787 SPAGAIN; \ 778 SPAGAIN; \
788 \ 779 \
789 if (GIMME_V != G_VOID) \ 780 if (GIMME_V != G_VOID) \
790 XPUSHs (req_sv (req, aio_req_stash)); 781 XPUSHs (req_sv (req, aio_req_stash));
791 782
783ecb_inline void
784req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
785{
786 if (expect_false (SvROK (path)))
787 {
788 SV *rv = SvRV (path);
789 SV *wdob;
790
791 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
792 {
793 path = AvARRAY (rv)[1];
794 wdob = AvARRAY (rv)[0];
795
796 if (SvOK (wdob))
797 {
798 *wd = SvAIO_WD (wdob);
799 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
800 }
801 else
802 *wd = EIO_INVALID_WD;
803 }
804 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
805 {
806 *wd = (aio_wd)(long)SvIVX (rv);
807 *wdsv = SvREFCNT_inc_NN (rv);
808 *ptr = ".";
809 return; /* path set to "." */
810 }
811 else
812 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
813 }
814
815 *pathsv = newSVsv (path);
816 *ptr = SvPVbyte_nolen (*pathsv);
817}
818
819static void ecb_noinline
820req_set_path1 (aio_req req, SV *path)
821{
822 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
823}
824
825static void ecb_noinline
826req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
827{
828 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
829
830 switch (SvTYPE (rv))
831 {
832 case SVt_PVIO:
833 case SVt_PVLV:
834 case SVt_PVGV:
835 req->type = type_fh;
836 req->sv1 = newSVsv (fh_or_path);
837 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
838 break;
839
840 default:
841 req->type = type_path;
842 req_set_path1 (req, fh_or_path);
843 break;
844 }
845}
846
847XS(boot_IO__AIO) ecb_cold;
848
792MODULE = IO::AIO PACKAGE = IO::AIO 849MODULE = IO::AIO PACKAGE = IO::AIO
793 850
794PROTOTYPES: ENABLE 851PROTOTYPES: ENABLE
795 852
796BOOT: 853BOOT:
800 IV iv; 857 IV iv;
801 } *civ, const_iv[] = { 858 } *civ, const_iv[] = {
802# define const_niv(name, value) { # name, (IV) value }, 859# define const_niv(name, value) { # name, (IV) value },
803# define const_iv(name) { # name, (IV) name }, 860# define const_iv(name) { # name, (IV) name },
804# define const_eio(name) { # name, (IV) EIO_ ## name }, 861# define const_eio(name) { # name, (IV) EIO_ ## name },
862
863 /* you have to re-run ./gendef0 after adding/Removing any constants here */
864
865 const_iv (ENOSYS)
805 const_iv (EXDEV) 866 const_iv (EXDEV)
806 const_iv (ENOSYS) 867 const_iv (EBADR)
868
807 const_iv (O_RDONLY) 869 const_iv (O_RDONLY)
808 const_iv (O_WRONLY) 870 const_iv (O_WRONLY)
809 const_iv (O_RDWR) 871 const_iv (O_RDWR)
810 const_iv (O_CREAT) 872 const_iv (O_CREAT)
811 const_iv (O_TRUNC) 873 const_iv (O_TRUNC)
879 const_iv (MAP_LOCKED) 941 const_iv (MAP_LOCKED)
880 const_iv (MAP_NORESERVE) 942 const_iv (MAP_NORESERVE)
881 const_iv (MAP_POPULATE) 943 const_iv (MAP_POPULATE)
882 const_iv (MAP_NONBLOCK) 944 const_iv (MAP_NONBLOCK)
883 945
946 const_iv (FIEMAP_FLAG_SYNC)
947 const_iv (FIEMAP_FLAG_XATTR)
948 const_iv (FIEMAP_FLAGS_COMPAT)
949 const_iv (FIEMAP_EXTENT_LAST)
950 const_iv (FIEMAP_EXTENT_UNKNOWN)
951 const_iv (FIEMAP_EXTENT_DELALLOC)
952 const_iv (FIEMAP_EXTENT_ENCODED)
953 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
954 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
955 const_iv (FIEMAP_EXTENT_DATA_INLINE)
956 const_iv (FIEMAP_EXTENT_DATA_TAIL)
957 const_iv (FIEMAP_EXTENT_UNWRITTEN)
958 const_iv (FIEMAP_EXTENT_MERGED)
959 const_iv (FIEMAP_EXTENT_SHARED)
960
961 const_iv (SPLICE_F_MOVE)
962 const_iv (SPLICE_F_NONBLOCK)
963 const_iv (SPLICE_F_MORE)
964 const_iv (SPLICE_F_GIFT)
965
966 const_iv (SEEK_DATA)
967 const_iv (SEEK_HOLE)
968
969 /* libeio constants */
970 const_eio (SEEK_SET)
971 const_eio (SEEK_CUR)
972 const_eio (SEEK_END)
973
884 const_eio (MCL_FUTURE) 974 const_eio (MCL_FUTURE)
885 const_eio (MCL_CURRENT) 975 const_eio (MCL_CURRENT)
886 976
887 const_eio (MS_ASYNC) 977 const_eio (MS_ASYNC)
888 const_eio (MS_INVALIDATE) 978 const_eio (MS_INVALIDATE)
913 }; 1003 };
914 1004
915 aio_stash = gv_stashpv ("IO::AIO" , 1); 1005 aio_stash = gv_stashpv ("IO::AIO" , 1);
916 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1006 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1007 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1008 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
918 1009
919 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1010 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1011 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921 1012
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1013 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923 1014
924 create_respipe (); 1015 reinit ();
925
926 if (eio_init (want_poll, done_poll) < 0)
927 croak ("IO::AIO: unable to initialise eio library");
928
929 /* atfork child called in fifo order, so before eio's handler */
930 X_THREAD_ATFORK (0, 0, atfork_child);
931} 1016}
1017
1018void
1019reinit ()
1020 PROTOTYPE:
932 1021
933void 1022void
934max_poll_reqs (unsigned int nreqs) 1023max_poll_reqs (unsigned int nreqs)
935 PROTOTYPE: $ 1024 PROTOTYPE: $
936 CODE: 1025 CODE:
971 PROTOTYPE: $ 1060 PROTOTYPE: $
972 CODE: 1061 CODE:
973 max_outstanding = maxreqs; 1062 max_outstanding = maxreqs;
974 1063
975void 1064void
1065aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
1066 PPCODE:
1067{
1068 dREQ;
1069
1070 req->type = EIO_WD_OPEN;
1071 req_set_path1 (req, pathname);
1072
1073 REQ_SEND;
1074}
1075
1076void
976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1077aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
977 PPCODE: 1078 PPCODE:
978{ 1079{
979 dREQ; 1080 dREQ;
980 1081
981 req->type = EIO_OPEN; 1082 req->type = EIO_OPEN;
982 req->sv1 = newSVsv (pathname); 1083 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 req->int1 = flags; 1084 req->int1 = flags;
985 req->int2 = mode; 1085 req->int2 = mode;
986 1086
987 REQ_SEND; 1087 REQ_SEND;
988} 1088}
990void 1090void
991aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1091aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
992 ALIAS: 1092 ALIAS:
993 aio_fsync = EIO_FSYNC 1093 aio_fsync = EIO_FSYNC
994 aio_fdatasync = EIO_FDATASYNC 1094 aio_fdatasync = EIO_FDATASYNC
1095 aio_syncfs = EIO_SYNCFS
995 PPCODE: 1096 PPCODE:
996{ 1097{
997 int fd = s_fileno_croak (fh, 0); 1098 int fd = s_fileno_croak (fh, 0);
998 dREQ; 1099 dREQ;
999 1100
1000 req->type = ix; 1101 req->type = ix;
1001 req->sv1 = newSVsv (fh); 1102 req->sv1 = newSVsv (fh);
1002 req->int1 = fd; 1103 req->int1 = fd;
1003 1104
1004 REQ_SEND (req); 1105 REQ_SEND;
1005} 1106}
1006 1107
1007void 1108void
1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1109aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1009 PPCODE: 1110 PPCODE:
1016 req->int1 = fd; 1117 req->int1 = fd;
1017 req->offs = offset; 1118 req->offs = offset;
1018 req->size = nbytes; 1119 req->size = nbytes;
1019 req->int2 = flags; 1120 req->int2 = flags;
1020 1121
1021 REQ_SEND (req); 1122 REQ_SEND;
1022} 1123}
1023 1124
1024void 1125void
1025aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1126aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1026 PPCODE: 1127 PPCODE:
1033 req->int1 = fd; 1134 req->int1 = fd;
1034 req->int2 = mode; 1135 req->int2 = mode;
1035 req->offs = offset; 1136 req->offs = offset;
1036 req->size = len; 1137 req->size = len;
1037 1138
1038 REQ_SEND (req); 1139 REQ_SEND;
1039} 1140}
1040 1141
1041void 1142void
1042aio_close (SV *fh, SV *callback=&PL_sv_undef) 1143aio_close (SV *fh, SV *callback=&PL_sv_undef)
1043 PPCODE: 1144 PPCODE:
1046 int fd = s_fileno_croak (fh, 0); 1147 int fd = s_fileno_croak (fh, 0);
1047 dREQ; 1148 dREQ;
1048 1149
1049 if (expect_false (close_fd < 0)) 1150 if (expect_false (close_fd < 0))
1050 { 1151 {
1152 int pipefd [2];
1153
1154 if (
1051#ifdef _WIN32 1155#ifdef _WIN32
1052 close_fd = _open_osfhandle (socket (AF_INET, SOCK_STREAM, 0), 0); 1156 _pipe (pipefd, 1, _O_BINARY) < 0
1053#else 1157#else
1054 int pipefd [2];
1055
1056 if (pipe (pipefd) < 0 1158 pipe (pipefd) < 0
1057 || close (pipefd [1]) < 0
1058 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1159 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1160#endif
1161 || close (pipefd [1]) < 0
1162 )
1059 abort (); /*D*/ 1163 abort (); /*D*/
1060 1164
1061 close_fd = pipefd [0]; 1165 close_fd = pipefd [0];
1062#endif
1063 } 1166 }
1064 1167
1065 req->type = EIO_DUP2; 1168 req->type = EIO_DUP2;
1066 req->int1 = close_fd; 1169 req->int1 = close_fd;
1067 req->sv2 = newSVsv (fh); 1170 req->sv2 = newSVsv (fh);
1068 req->int2 = fd; 1171 req->int2 = fd;
1069 1172
1070 REQ_SEND (req); 1173 REQ_SEND;
1174}
1175
1176void
1177aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1178 PPCODE:
1179{
1180 int fd = s_fileno_croak (fh, 0);
1181 dREQ;
1182
1183 req->type = EIO_SEEK;
1184 req->sv1 = newSVsv (fh);
1185 req->int1 = fd;
1186 req->offs = SvVAL64 (offset);
1187 req->int2 = whence;
1188
1189 REQ_SEND;
1071} 1190}
1072 1191
1073void 1192void
1074aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1193aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1075 ALIAS: 1194 ALIAS:
1122 REQ_SEND; 1241 REQ_SEND;
1123 } 1242 }
1124} 1243}
1125 1244
1126void 1245void
1127aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1246aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1128 ALIAS: 1247 ALIAS:
1129 aio_readlink = EIO_READLINK 1248 aio_readlink = EIO_READLINK
1130 aio_realpath = EIO_REALPATH 1249 aio_realpath = EIO_REALPATH
1131 PPCODE: 1250 PPCODE:
1132{ 1251{
1133 SV *data;
1134 dREQ; 1252 dREQ;
1135 1253
1136 req->type = ix; 1254 req->type = ix;
1137 req->sv1 = newSVsv (path); 1255 req_set_path1 (req, pathname);
1138 req->ptr1 = SvPVbyte_nolen (req->sv1);
1139 1256
1140 REQ_SEND; 1257 REQ_SEND;
1141} 1258}
1142 1259
1143void 1260void
1183 aio_statvfs = EIO_STATVFS 1300 aio_statvfs = EIO_STATVFS
1184 PPCODE: 1301 PPCODE:
1185{ 1302{
1186 dREQ; 1303 dREQ;
1187 1304
1188 req->sv1 = newSVsv (fh_or_path); 1305 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1189
1190 if (SvPOK (req->sv1))
1191 {
1192 req->type = ix;
1193 req->ptr1 = SvPVbyte_nolen (req->sv1);
1194 }
1195 else
1196 {
1197 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1198 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1199 }
1200 1306
1201 REQ_SEND; 1307 REQ_SEND;
1202} 1308}
1203 1309
1204UV 1310UV
1223{ 1329{
1224 dREQ; 1330 dREQ;
1225 1331
1226 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1332 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1227 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1333 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1228 req->sv1 = newSVsv (fh_or_path); 1334 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1229
1230 if (SvPOK (req->sv1))
1231 {
1232 req->type = EIO_UTIME;
1233 req->ptr1 = SvPVbyte_nolen (req->sv1);
1234 }
1235 else
1236 {
1237 req->type = EIO_FUTIME;
1238 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1239 }
1240 1335
1241 REQ_SEND; 1336 REQ_SEND;
1242} 1337}
1243 1338
1244void 1339void
1245aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1340aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1246 PPCODE: 1341 PPCODE:
1247{ 1342{
1248 dREQ; 1343 dREQ;
1249 1344
1250 req->sv1 = newSVsv (fh_or_path);
1251 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1345 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1252 1346 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1253 if (SvPOK (req->sv1))
1254 {
1255 req->type = EIO_TRUNCATE;
1256 req->ptr1 = SvPVbyte_nolen (req->sv1);
1257 }
1258 else
1259 {
1260 req->type = EIO_FTRUNCATE;
1261 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1262 }
1263 1347
1264 REQ_SEND; 1348 REQ_SEND;
1265} 1349}
1266 1350
1267void 1351void
1268aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1352aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1269 ALIAS:
1270 aio_chmod = EIO_CHMOD
1271 aio_mkdir = EIO_MKDIR
1272 PPCODE: 1353 PPCODE:
1273{ 1354{
1274 dREQ; 1355 dREQ;
1275 1356
1276 req->int2 = mode; 1357 req->int2 = mode;
1277 req->sv1 = newSVsv (fh_or_path); 1358 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1278
1279 if (SvPOK (req->sv1))
1280 {
1281 req->type = ix;
1282 req->ptr1 = SvPVbyte_nolen (req->sv1);
1283 }
1284 else
1285 {
1286 req->type = EIO_FCHMOD;
1287 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1288 }
1289 1359
1290 REQ_SEND; 1360 REQ_SEND;
1291} 1361}
1292 1362
1293void 1363void
1296{ 1366{
1297 dREQ; 1367 dREQ;
1298 1368
1299 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1369 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1300 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1370 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1301 req->sv1 = newSVsv (fh_or_path); 1371 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1302
1303 if (SvPOK (req->sv1))
1304 {
1305 req->type = EIO_CHOWN;
1306 req->ptr1 = SvPVbyte_nolen (req->sv1);
1307 }
1308 else
1309 {
1310 req->type = EIO_FCHOWN;
1311 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1312 }
1313 1372
1314 REQ_SEND; 1373 REQ_SEND;
1315} 1374}
1316 1375
1317void 1376void
1319 PPCODE: 1378 PPCODE:
1320{ 1379{
1321 dREQ; 1380 dREQ;
1322 1381
1323 req->type = EIO_READDIR; 1382 req->type = EIO_READDIR;
1324 req->sv1 = newSVsv (pathname);
1325 req->ptr1 = SvPVbyte_nolen (req->sv1);
1326 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1383 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1327 1384
1328 if (flags & EIO_READDIR_DENTS) 1385 if (flags & EIO_READDIR_DENTS)
1329 req->int1 |= EIO_READDIR_CUSTOM2; 1386 req->int1 |= EIO_READDIR_CUSTOM2;
1330 1387
1388 req_set_path1 (req, pathname);
1389
1331 REQ_SEND; 1390 REQ_SEND;
1391}
1392
1393void
1394aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1395 PPCODE:
1396{
1397 dREQ;
1398
1399 req->type = EIO_MKDIR;
1400 req->int2 = mode;
1401 req_set_path1 (req, pathname);
1402
1403 REQ_SEND;
1332} 1404}
1333 1405
1334void 1406void
1335aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1407aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1336 ALIAS: 1408 ALIAS:
1340 PPCODE: 1412 PPCODE:
1341{ 1413{
1342 dREQ; 1414 dREQ;
1343 1415
1344 req->type = ix; 1416 req->type = ix;
1345 req->sv1 = newSVsv (pathname); 1417 req_set_path1 (req, pathname);
1346 req->ptr1 = SvPVbyte_nolen (req->sv1);
1347 1418
1348 REQ_SEND; 1419 REQ_SEND;
1349} 1420}
1350 1421
1351void 1422void
1354 aio_link = EIO_LINK 1425 aio_link = EIO_LINK
1355 aio_symlink = EIO_SYMLINK 1426 aio_symlink = EIO_SYMLINK
1356 aio_rename = EIO_RENAME 1427 aio_rename = EIO_RENAME
1357 PPCODE: 1428 PPCODE:
1358{ 1429{
1430 eio_wd wd2 = 0;
1359 dREQ; 1431 dREQ;
1360 1432
1361 req->type = ix; 1433 req->type = ix;
1362 req->sv1 = newSVsv (oldpath); 1434 req_set_path1 (req, oldpath);
1363 req->ptr1 = SvPVbyte_nolen (req->sv1); 1435 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1364 req->sv2 = newSVsv (newpath); 1436 req->int3 = (long)wd2;
1365 req->ptr2 = SvPVbyte_nolen (req->sv2);
1366 1437
1367 REQ_SEND; 1438 REQ_SEND;
1368} 1439}
1369 1440
1370void 1441void
1372 PPCODE: 1443 PPCODE:
1373{ 1444{
1374 dREQ; 1445 dREQ;
1375 1446
1376 req->type = EIO_MKNOD; 1447 req->type = EIO_MKNOD;
1377 req->sv1 = newSVsv (pathname);
1378 req->ptr1 = SvPVbyte_nolen (req->sv1);
1379 req->int2 = (mode_t)mode; 1448 req->int2 = (mode_t)mode;
1380 req->offs = dev; 1449 req->offs = dev;
1450 req_set_path1 (req, pathname);
1381 1451
1382 REQ_SEND; 1452 REQ_SEND;
1383} 1453}
1384 1454
1385void 1455void
1452 1522
1453 req->type = EIO_MLOCKALL; 1523 req->type = EIO_MLOCKALL;
1454 req->int1 = flags; 1524 req->int1 = flags;
1455 1525
1456 REQ_SEND; 1526 REQ_SEND;
1527}
1528
1529void
1530aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1531 PPCODE:
1532{
1533 int fd = s_fileno_croak (fh, 0);
1534 dREQ;
1535
1536 req->type = EIO_CUSTOM;
1537 req->sv1 = newSVsv (fh);
1538 req->int1 = fd;
1539
1540 req->feed = fiemap;
1541#if HAVE_FIEMAP
1542 /* keep our fingers crossed that the next two types are 64 bit */
1543 req->offs = start;
1544 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1545 req->int2 = flags;
1546 req->int3 = SvOK (count) ? SvIV (count) : -1;
1547#endif
1548
1549 REQ_SEND;
1457} 1550}
1458 1551
1459void 1552void
1460aio_busy (double delay, SV *callback=&PL_sv_undef) 1553aio_busy (double delay, SV *callback=&PL_sv_undef)
1461 PPCODE: 1554 PPCODE:
1585 CODE: 1678 CODE:
1586 RETVAL = posix_fadvise (fh, offset, length, advice); 1679 RETVAL = posix_fadvise (fh, offset, length, advice);
1587 OUTPUT: 1680 OUTPUT:
1588 RETVAL 1681 RETVAL
1589 1682
1590ssize_t 1683IV
1591sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1684sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1592 CODE: 1685 CODE:
1593 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1686 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1594 OUTPUT: 1687 OUTPUT:
1595 RETVAL 1688 RETVAL
1682 addr = (void *)(((intptr_t)addr) + offset); 1775 addr = (void *)(((intptr_t)addr) + offset);
1683 eio_page_align (&addr, &len); 1776 eio_page_align (&addr, &len);
1684#if _POSIX_MEMLOCK_RANGE 1777#if _POSIX_MEMLOCK_RANGE
1685 RETVAL = munlock (addr, len); 1778 RETVAL = munlock (addr, len);
1686#else 1779#else
1687 RETVAL = ((errno = ENOSYS), -1); 1780 RETVAL = EIO_ENOSYS ();
1688#endif 1781#endif
1689} 1782}
1690 OUTPUT: 1783 OUTPUT:
1691 RETVAL 1784 RETVAL
1692 1785
1694munlockall () 1787munlockall ()
1695 CODE: 1788 CODE:
1696#if _POSIX_MEMLOCK 1789#if _POSIX_MEMLOCK
1697 munlockall (); 1790 munlockall ();
1698#else 1791#else
1699 RETVAL = -1; 1792 RETVAL = EIO_ENOSYS ();
1700 errno = ENOSYS;
1701#endif 1793#endif
1702 OUTPUT: 1794 OUTPUT:
1795 RETVAL
1796
1797int
1798splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1799 CODE:
1800{
1801#if HAVE_LINUX_SPLICE
1802 loff_t off_in_, off_out_;
1803 RETVAL = splice (
1804 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1805 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1806 length, flags
1807 );
1808#else
1809 RETVAL = EIO_ENOSYS ();
1810#endif
1811}
1812 OUTPUT:
1813 RETVAL
1814
1815int
1816tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1817 CODE:
1818#if HAVE_LINUX_SPLICE
1819 RETVAL = tee (rfh, wfh, length, flags);
1820#else
1821 RETVAL = EIO_ENOSYS ();
1822#endif
1823 OUTPUT:
1703 RETVAL 1824 RETVAL
1704 1825
1705void _on_next_submit (SV *cb) 1826void _on_next_submit (SV *cb)
1706 CODE: 1827 CODE:
1707 SvREFCNT_dec (on_next_submit); 1828 SvREFCNT_dec (on_next_submit);
1708 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1829 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1709 1830
1710PROTOTYPES: DISABLE 1831PROTOTYPES: DISABLE
1711 1832
1833MODULE = IO::AIO PACKAGE = IO::AIO::WD
1834
1835BOOT:
1836{
1837 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1838 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1839}
1840
1841void
1842DESTROY (SV *self)
1843 CODE:
1844{
1845 aio_wd wd = SvAIO_WD (self);
1846#if HAVE_AT
1847 {
1848 SV *callback = &PL_sv_undef;
1849 dREQ; /* clobbers next_pri :/ */
1850 next_pri = req->pri; /* restore next_pri */
1851 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1852 req->type = EIO_WD_CLOSE;
1853 req->wd = wd;
1854 REQ_SEND;
1855 }
1856#else
1857 eio_wd_close_sync (wd);
1858#endif
1859}
1860
1712MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1861MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1713 1862
1714void 1863void
1715cancel (aio_req_ornot req) 1864cancel (aio_req_ornot req)
1716 CODE: 1865 CODE:

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